Four years later:
James: Remember when that Ravenclaw girl asked me out and you were looking at us, totally jealous
Lily: I wasn’t jealous.
James: Come on. You can admit it, we are married now.
Lily: I wasn’t.
James: Lily, we had sex. I mean, look at this adorable baby here.
Lily: I wasn’t. I was upset because Mr. Darcy-
Lily: Fine. I was jealous.